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Finding the Fourth Proportional to 542,802.30, 814,203.45 and 401,084.70

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Solution

The fourth proportional to 542,802.30, 814,203.45 and 401,084.70 is: 601,627.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,802.30 : 814,203.45 = 401,084.70 : x
  2. Step 2: Convert to fraction form
    542,802.30/814,203.45 = 401,084.70/x
  3. Step 3: Cross multiply
    542,802.30x = 814,203.45 × 401,084.70
  4. Step 4: Simplify right side
    542,802.30x = 326,564,546,482.22
  5. Step 5: Solve for x
    x = 326,564,546,482.22/542,802.30
  6. Step 6: Final answer
    x = 601,627.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.